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Finding the Fourth Proportional to 4,709.54, 7,066.17 and 1,788.62

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Solution

The fourth proportional to 4,709.54, 7,066.17 and 1,788.62 is: 2,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.54 : 7,066.17 = 1,788.62 : x
  2. Step 2: Convert to fraction form
    4,709.54/7,066.17 = 1,788.62/x
  3. Step 3: Cross multiply
    4,709.54x = 7,066.17 × 1,788.62
  4. Step 4: Simplify right side
    4,709.54x = 12,638,692.99
  5. Step 5: Solve for x
    x = 12,638,692.99/4,709.54
  6. Step 6: Final answer
    x = 2,683.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.